Forget Inception; Leonardo DiCaprio's previous film, Martin Scorsese's Shutter Island, confused just as many cinemagoers. David Cox investigates the curious history behind one of the more troubling conclusions in recent cinema

Martin Scorsese's thriller is at No 1 for the second week running, with A Prophet and Cop Out also performing well. And as Avatar keeps pulling them in, it looks like James Cameron's personal paycheck could top $225m